The Prefabricated Substation is an integrated and compact power distribution solution designed for efficient and reliable electrical energy transmission and distribution. It combines high-voltage switchgear, distribution transformer, low-voltage switchgear, protection devices, and intelligent control systems into a factory-assembled modular enclosure, providing convenient installation, safe operation, and reduced on-site construction requirements. Manufactured with advanced production technology and high-quality materials, the prefabricated substation offers stable performance, excellent overload capability, and strong short-circuit resistance. The modular structure enables flexible configuration according to different voltage levels, transformer capacities, and project requirements, making it suitable for various industrial and commercial applications. The product is widely used in urban power grids, renewable energy projects, industrial plants, mining operations, commercial buildings, infrastructure construction, data centers, and utility distribution systems. With advantages such as compact design, fast installation, energy efficiency, and low maintenance requirements, the prefabricated substation is an ideal solution for modern power distribution systems. All products can be customized according to IEC, ANSI, IEEE, and other international standards to meet different environmental and operational conditions worldwide.
The Prefabricated Substation is a compact and integrated power distribution solution designed and manufactured for modern electrical infrastructure projects. It combines high-voltage switchgear, distribution transformers, low-voltage switchgear, metering, protection, and intelligent control systems into a single modular enclosure, providing efficient, safe, and reliable power distribution.
As a professional China manufacturer, Zisheng provides prefabricated substations with advanced manufacturing technology, strict quality control, and flexible customization services to meet different project requirements. The product is widely used in power utilities, solar and wind energy projects, industrial plants, commercial buildings, mining operations, infrastructure construction, and urban distribution networks.
Zisheng are a professional 19+ years manufacturer in producing Oil-Immersed Transformers, Compact Substation, Pad Mounted Transformers, Pole Mounted Transformers and Dry Type Transformers. We own the certificates of ISO/CE/IEC 60076 and TUV Rheinland.
Transformers undergo rigorous FAT and type testing, support voltage/capacity customization. Welcome to consult for Catalog and Product. you can contact us at email [email protected].

| Item | Specification |
|---|---|
| Product Name | Prefabricated Substation |
| Rated Voltage | 6kV / 10kV / 11kV / 13.8kV / 20kV / 33kV |
| Rated Capacity | 100kVA – 2500kVA |
| Frequency | 50Hz / 60Hz |
| Transformer Type | Oil Immersed Transformer / Dry Type Transformer |
| High Voltage Switchgear | RMU / AIS / GIS |
| Low Voltage Voltage | 0.4kV / 0.415kV / Customized |
| Cooling Method | ONAN / ANAF |
| Protection Level | IP33 / IP44 / IP54 |
| Enclosure Material | Galvanized Steel / Stainless Steel / Steel Plate |
| Installation Type | Outdoor / Indoor |
| Insulation Class | Class A / F / H |
| Operating Temperature | -25°C to +45°C |
| Altitude | ≤1000m (Customizable) |
| Standards | IEC / ANSI / IEEE / GB |
| Application | Solar Power Plants, Industrial Facilities, Commercial Buildings, Mining Projects, Urban Power Distribution |
| Customization | Available |
The prefabricated substation integrates transformer, high-voltage switchgear, low-voltage distribution equipment, and protection systems into one compact unit, saving installation space and simplifying project construction.
Factory pre-assembly and complete testing before delivery greatly reduce on-site installation time, labor costs, and commissioning workload while improving maintenance convenience.
Manufactured with high-quality insulation materials and advanced protection systems, the substation offers excellent overload capacity, strong short-circuit resistance, and stable long-term operation.
Voltage level, transformer capacity, enclosure material, protection class, and internal configuration can all be customized according to different industrial, utility, and renewable energy project requirements.
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